[INFO] fetching crate mugle_chain 5.2.0-alpha.5...
[INFO] testing mugle_chain-5.2.0-alpha.5 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mugle_chain 5.2.0-alpha.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mugle_chain 5.2.0-alpha.5
[INFO] finished tweaking crates.io crate mugle_chain 5.2.0-alpha.5
[INFO] tweaked toml for crates.io crate mugle_chain 5.2.0-alpha.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mugle_chain 5.2.0-alpha.5 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 193 packages to latest compatible versions
[INFO] [stderr]       Adding bit-vec v0.6.3 (available: v0.8.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.10.0)
[INFO] [stderr]       Adding croaring v0.4.6 (available: v2.5.1)
[INFO] [stderr]       Adding env_logger v0.7.1 (available: v0.11.8)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded mugle_store v5.2.0-alpha.5
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded serde-value v0.6.0
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded parking_lot_core v0.7.3
[INFO] [stderr]   Downloaded memmap v0.7.0
[INFO] [stderr]   Downloaded rand_jitter v0.1.4
[INFO] [stderr]   Downloaded rand v0.6.5
[INFO] [stderr]   Downloaded mugle_keychain v5.2.0-alpha.5
[INFO] [stderr]   Downloaded lmdb-zero v0.4.4
[INFO] [stderr]   Downloaded croaring v0.4.6
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded enum_primitive v0.1.1
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded nodrop v0.1.14
[INFO] [stderr]   Downloaded env_logger v0.7.1
[INFO] [stderr]   Downloaded supercow v0.1.0
[INFO] [stderr]   Downloaded log4rs v0.12.0
[INFO] [stderr]   Downloaded num-bigint v0.2.6
[INFO] [stderr]   Downloaded liblmdb-sys v0.2.2
[INFO] [stderr]   Downloaded croaring-sys v0.4.6
[INFO] [stderr]   Downloaded rand v0.5.6
[INFO] [stderr]   Downloaded bitflags v0.9.1
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded mugle_core v5.2.0-alpha.5
[INFO] [stderr]   Downloaded mugle_secp256k1zkp v0.7.12
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] [stderr]   Downloaded mugle_util v5.2.0-alpha.5
[INFO] [stderr]   Downloaded cexpr v0.4.0
[INFO] [stderr]   Downloaded env_logger v0.8.4
[INFO] [stderr]   Downloaded bindgen v0.56.0
[INFO] [stderr]   Downloaded password-hash v0.2.3
[INFO] [stderr]   Downloaded ripemd160 v0.9.1
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded ordered-float v1.1.1
[INFO] [stderr]   Downloaded arrayvec v0.3.25
[INFO] [stderr]   Downloaded arrayvec v0.4.12
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded pbkdf2 v0.8.0
[INFO] [stderr]   Downloaded traitobject v0.1.1
[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded rand_isaac v0.1.1
[INFO] [stderr]   Downloaded crypto-mac v0.11.1
[INFO] [stderr]   Downloaded autocfg v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 967deb3462cb3828e9c3a816a5ba52e604b7ce1d337a14e4513de260f4128e63
[INFO] running `Command { std: "docker" "start" "-a" "967deb3462cb3828e9c3a816a5ba52e604b7ce1d337a14e4513de260f4128e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "967deb3462cb3828e9c3a816a5ba52e604b7ce1d337a14e4513de260f4128e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967deb3462cb3828e9c3a816a5ba52e604b7ce1d337a14e4513de260f4128e63", kill_on_drop: false }`
[INFO] [stdout] 967deb3462cb3828e9c3a816a5ba52e604b7ce1d337a14e4513de260f4128e63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eca46a3dea172620a50250a7046b73bdaaacbcdb193d54d8f9ef887778f4fd34
[INFO] running `Command { std: "docker" "start" "-a" "eca46a3dea172620a50250a7046b73bdaaacbcdb193d54d8f9ef887778f4fd34", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling traitobject v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.7.3
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling mugle_secp256k1zkp v0.7.12
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling arc-swap v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling password-hash v0.2.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling pbkdf2 v0.8.0
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling ripemd160 v0.9.1
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr] error: could not compile `object` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.91.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/object-0.37.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 '--allow=clippy::uninlined_format_args' '--allow=clippy::type_complexity' '--allow=clippy::single_match' '--allow=clippy::should_implement_trait' '--allow=clippy::result_unit_err' '--allow=clippy::needless_lifetimes' '--allow=clippy::match_like_matches_macro' '--allow=clippy::manual_flatten' '--allow=clippy::field_reassign_with_default' '--allow=clippy::comparison_chain' '--allow=clippy::collapsible_match' '--allow=clippy::collapsible_if' '--allow=clippy::collapsible_else_if' --cfg 'feature="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' --cfg 'feature="xcoff"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("all", "alloc", "archive", "build", "build_core", "cargo-all", "coff", "compression", "core", "default", "doc", "elf", "macho", "pe", "read", "read_core", "rustc-dep-of-std", "std", "unaligned", "unstable", "unstable-all", "wasm", "write", "write_core", "write_std", "xcoff"))' -C metadata=6730082b192be544 -C extra-filename=-ffe7b4dc3fd26318 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-3652ee3ae7df6864.rmeta --cap-lints allow --cap-lints=warn --cfg core_error --check-cfg 'cfg(core_error)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.91.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.108/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=4a0f70de2a287ea6 -C extra-filename=-119f6616b8317202 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c33479d57b60a100.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a2929e59ea68c4bb.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2438e28b11baae4.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "eca46a3dea172620a50250a7046b73bdaaacbcdb193d54d8f9ef887778f4fd34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca46a3dea172620a50250a7046b73bdaaacbcdb193d54d8f9ef887778f4fd34", kill_on_drop: false }`
[INFO] [stdout] eca46a3dea172620a50250a7046b73bdaaacbcdb193d54d8f9ef887778f4fd34
